Balcony planting is very good, who said that balcony planting less food for the wonderful, as long as you choose the right container with fresh soil, and then will be suitable for the vegetable seeds sown in it, watering and fertilizer to make it grow can be planted to meet the family's daily needs. But some people think its unhealthy, mainly because the container and soil may be with toxic substances, coupled with polluted air and not fully fermented fertilizer, will make the vegetables unhealthy affect people's bodies.
Currently in the city, there are more and more people began to carry out balcony gardening, who said that balcony gardening less food for the wonderful, planted out of the vegetable it also has a very good nutritional value, and easy to pick, and its consumption of economic costs are also very low, to meet the family's normal picking and consumption.
If you grow vegetables on the balcony, you need to choose smaller plants such as cabbages, radishes and other vegetable varieties, ready for planting pots or foam boxes as cultivation containers, into the fertile soil suitable for the growth of vegetables, and to the bottom of the pot on the tiles, so that it drains smoothly to avoid stagnant water.
After the vegetable seeds sowing planting, and so on its germination after the appropriate amount of watering and fertilizer, fertilizer to dilute liquid fertilizer-based, to provide sufficient fertilizer for the vegetables, and to keep the balcony at the right temperature, the summer light to shade, usually provide sufficient light, but also to make the balcony ventilated, you can be in the balcony will be very good for planting vegetables.
Second, some people think that the balcony planting vegetables is unhealthy1, poor quality containers
In the balcony planting vegetables usually have to choose the right container for planting, a lot of people choose to commonly used flower pots, but some people choose to waste painted iron barrels, low-quality foam boxes, etc., in order to make it have a larger space for growth. But such containers often carry chemicals or toxic substances that will enter the balcony planted in the vegetable.
2, contaminated soil
Many people in the balcony planting vegetables randomly from the ruins, flower beds and other places to dig the soil for planting, rather than choosing the right healthy soil, which can easily lead to digging contaminated soil. This type of soil may contain urban waste, heavy metal waste residues and other toxic substances, so that the balcony vegetables are also contaminated.
3, poor air
Compared to greenhouses and rural areas, the use of balconies to grow vegetables, if the balcony is close to the turbid air of the road and other areas, the food will be mixed with carbon dioxide, car exhaust, dust powder and other pollutants in the air, which leads to the dish is not healthy, eat more on the human health. The first step is to make sure that you have a good understanding of what you are doing and how you are doing it.
4, fertilizer is not good
In fact, the balcony planted vegetables may be unhealthy or because of its fertilizer is not good, many people do not choose healthy composite fertilizer fertilizer to impose, but to choose not fully fermented natural fertilizer, such as pigeon dung, etc., which will allow the fertilizer residual bacteria and pests, which will be in the vegetable rooted growth. growth and can also be harmful to human health when consumed.